, and with me tonight are msnbc political analyst ron reagan and real clear politics reporter erin mcpike. i was stunned to see bobby casey, the senator from pennsylvania, who is a classic pennsylvanian, in the past he's received a b plus or an a rating from the nra. he told "the philadelphia enquirer" he will come back for -- coming out for a new assault weapons ban and legislation banning high round magazines. he said his decision amounted to being summoned by your conscience. he said his wife had pressed him to rethink his position on gun safety in the wake of newtown. he said the power of the weapon, the number of bullets that hit each child, that was so, to me, just so chilling, it haunts me. it should haunt every public official. if those two bills come before the senate, i will vote for both. that's a risky, strong position by bob casey. >> he's not the only one. joe manchin, the senator from west virginia, on monday was saying this has changed his thinking. of course, these are two democrats -- >> but manchin hasn't said he will vote for these two bills. bobby casey said he will. it'